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Hypoglossal Nerve

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https://www.readbyqxmd.com/read/29678782/early-feasibility-of-hypoglossal-nerve-upper-airway-stimulator-in-patients-with-cardiac-implantable-electronic-devices-and-continuous-positive-airway-pressure-intolerant-severe-obstructive-sleep-apnea
#1
Valay Parikh, Erica Thaler, Masanari Kato, M Boyd Gillespie, Shaun Nguyen, Kirk Withrow, David Calhoun, Ryan Soose, Damien Stevens, Suzanne Stevens, Chris Larsen, Madhu Reddy, Dhanunjaya Lakkireddy
BACKGROUND: Implantable hypoglossal nerve upper airway stimulation (HNS) is a novel, FDA approved strategy for management of moderate to severe obstructive sleep apnea(OSA) patients with continuous positive airway pressure (CPAP) therapy intolerance or failure. Due to proximity of Cardiac Implantable Electronic Devices (CIED) and this stimulator, interaction between these devices is theoretically possible. OBJECTIVE: The purpose of this study was to assess interactions between implantable hypoglossal nerve upper airway stimulator device and cardiac implantable electronic devices...
April 17, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29678636/multiple-subcortical-infarcts-manifested-as-isolated-bilateral-palsy-of-the-hypoglossal-nerve
#2
Dimitrios Ntantos, Ioannis E Dagklis, Dimitrios Kazis, Petros Anggelopoulos, Triantafyllos Geroukis, Sevasti Bostantjopoulou
No abstract text is available yet for this article.
April 17, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29659197/morphological-features-of-the-branching-pattern-of-the-hypoglossal-nerve
#3
Yujiro Sakamoto
The hypoglossal or twelfth cranial nerve is the motor nerve to the extrinsic and intrinsic muscles of the tongue, and the superior root of the ansa cervicalis and the thyrohyoid and geniohyoid branches are delivered through the nerve. This study investigated the muscular branches of the hypoglossal nerve to clarify their spatial relationships with the muscles of the tongue and the neighboring structures. The muscles and the nerve were gross anatomically examined in 42 cadavers. The superior root and the thyrohyoid branch left the nerve near the occipital and lingual arteries, respectively...
April 16, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29659164/development-and-functional-organization-of-the-cranial-nerves-in-lampreys
#4
Manuel A Pombal, Manuel Megías
Lampreys, together with hagfishes, are the only extant representatives of the oldest branch of vertebrates, the agnathans, which are the sister group of gnathostomes; therefore, studies on these animals are of great evolutionary significance. Lampreys exhibit a particular life cycle with remarkable changes in their behavior, concomitant, in part, with important modifications in the head and its musculature, which might influence the development of the cranial nerves. In this context, some cranial nerves such as the optic nerve and the ocular motor nerves, which develop slowly during an extremely long larval period lasting more than five years, have been more thoroughly investigated; however, much less experimental information is available about others, such as the facial or the hypoglossal nerves...
April 16, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29657082/horner-s-syndrome-following-obstetric-neuraxial-blockade-a-systematic-review-of-the-literature
#5
D J Chambers, K Bhatia
Horner's syndrome is a rarely reported complication of neuraxial blockade. In obstetric practice, the neurological signs of Horner's syndrome may cause anxiety amongst patients and healthcare staff, but more importantly may herald the onset of maternal hypotension. Medline, CINAHL, and EMBASE databases were searched to identify cases of Horner's syndrome following obstetric neuraxial blockade. Anaesthetic technique, clinical features, anaesthetic management of the Horner's syndrome and time to resolution were assessed...
March 17, 2018: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/29605955/dynamic-quantitative-assessment-of-motor-axon-sprouting-after-direct-facial-hypoglossal-end-to-side-neurorrhaphy-in-rats
#6
Pengfei Liu, Zhang Zhang, Chenlong Liao, Wenxiang Zhong, Pengyang Li, Wenchuan Zhang
BACKGROUND:  End-to-side (ETS) neurorrhaphy is a promising procedure for peripheral nerve repair, yet controversies regarding the efficacy of this repair in facial nerve anastomosis for facial paralysis still exist. METHODS:  Thirty rats were divided into three groups: intact control group, direct facial-hypoglossal ETS neurorrhaphy, and end-to-end (ETE) neurorrhaphy. Nerve regeneration was assessed with vibrissae motor performance, electrophysiological tests, retrograde labeling, and histomorphological analysis at 4 and 8 months postoperatively...
April 1, 2018: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29595736/cranial-nerve-coactivation-and-implication-for-nerve-transfers-to-the-facial-nerve
#7
David Jensson, Sara Enghag, Nina Bylund, Lars Jonsson, Johan Wikström, Margareta Grindlund, Roland Flink, Andres Rodriguez-Lorenzo
In reanimation surgery, effortless smile can be achieved by a nonfacial donor nerve. The underlying mechanisms for this smile development, and which is the best nonfacial neurotizer, need further clarification. The aim of the present study was therefore to further explore the natural coactivation between facial mimic muscles and muscles innervated by the most common donor nerves used in smile reanimation. The study was conducted in 10 healthy adults. Correlation between voluntary facial muscle movements and simultaneous electromyographic activity in muscles innervated by the masseter, hypoglossal, and spinal accessory nerves was assessed...
April 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29592978/hypoglossal-nerve-stimulation-for-obstructive-sleep-apnoea-in-a-patient-with-previous-tongue-laceration
#8
Joel W Jones, Kent Lee, Suzanne Stevens, Chris Larsen
Upper airway stimulation of the tongue using an implantable neurostimulator has recently been approved for select patients with moderate to severe obstructive sleep apnoea (OSA) and intolerance to continuous positive airway pressure therapy. Effective implantation depends on the integrity of the hypoglossal nerve as well as the tongue musculature, notably the genioglossus. Prior trauma to either of these structures may be viewed as a relative contraindication to implantation. We describe a case of successful right hypoglossal nerve implantation in a patient with a history of left cardiac pacemaker placement and severe left penetrating tongue trauma with decreased mobility from contracture and deviation mimicking a hypoglossal nerve palsy...
March 28, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29590480/anatomic-predictors-of-response-and-mechanism-of-action-of-upper-airway-stimulation-therapy-in-patients-with-obstructive-sleep-apnea
#9
Richard J Schwab, Stephen H Wang, Johan Verbraecken, Olivier M Vanderveken, Paul Van de Heyning, Wim G Vos, Jan W DeBacker, Brendan T Keenan, Quan Ni, Wilfried DeBacker
Study Objectives: Upper airway stimulation has been shown to be an effective treatment for some patients with obstructive sleep apnea. However, the mechanism by which hypoglossal nerve stimulation increases upper airway caliber is not clear. Therefore, the objective of this study was to identify the mechanism of action of upper airway stimulation. We hypothesized that, with upper airway stimulation, responders would show greater airway opening in the retroglossal (base of the tongue) region, greater hyoid movement toward the mandible, and greater anterior motion in the posterior, inferior region of the tongue compared with nonresponders...
March 26, 2018: Sleep
https://www.readbyqxmd.com/read/29582703/upper-airway-stimulation-for-obstructive-sleep-apnea-5-year-outcomes
#10
B Tucker Woodson, Kingman P Strohl, Ryan J Soose, M Boyd Gillespie, Joachim T Maurer, Nico de Vries, Tapan A Padhya, M Safwan Badr, Ho-Sheng Lin, Olivier M Vanderveken, Sam Mickelson, Patrick J Strollo
Objective To present 5-year outcomes from a prospective cohort of patients with obstructive sleep apnea (OSA) who were treated with upper airway stimulation (UAS) via a unilateral hypoglossal nerve implant. Study Design A multicenter prospective cohort study. Setting Industry-supported multicenter academic and clinical trial. Methods From a cohort of 126 patients, 97 completed protocol, and 71 consented to a voluntary polysomnogram. Those having continuous positive airway pressure failure with moderate to severe OSA, body mass index <32 kg/m2 , and no unfavorable collapse on drug-induced sleep endoscopy were enrolled in a phase 3 trial...
March 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29570527/accessory-submandibular-salivary-gland-forming-a-horseshoe-with-the-main-submandibular-salivary-gland-a-unique-variation
#11
Satheesha B Nayak
Presence of accessory submandibular salivary gland (ASSG) is an extremely rare variation. Knowledge of its relations could be very useful to oral and maxillofacial surgeons, head and neck surgeons, and radiologists. During dissection classes, an ASSG was noted between the mylohyoid and hyoglossus muscles. The main submandibular salivary gland had superficial and deep parts. The deep part was narrow and measured about 5 cm. The lingual nerve passed between the superficial and deep parts. The accessory submandibular gland was situated below and parallel to the deep part of SSG...
March 22, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29566386/occipital-condyle-fracture-extending-to-the-inferior-part-of-the-clivus
#12
Necati Ucler, Seyho Cem Yucetas
Although rarely reported in the literature, serious occipital and condylar fractures have been diagnosed more often with the widespread use of computed cranial tomography in traumas. In this paper, a 16-year-old female with a left occipital fracture extending from the left occipital condyle anterior of the hypoglossal canal to the inferior part of the clivus is presented. The fracture which had caused a neurological deficit was cured with conservative treatment. For delayed hypoglossal nerve paralysis due to swelling within the canal, methylprednisolone was started, and a complete cure was attained in about 10 days...
March 22, 2018: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29540289/uvulopalatopharyngoplasty-vs-cn-xii-stimulation-for-treatment-of-obstructive-sleep-apnea-a-single-institution-experience
#13
Janki Shah, Jonathon O Russell, Tina Waters, Alan H Kominsky, Douglas Trask
OBJECTIVES: Hypoglossal nerve stimulation (HNS) therapy is an emerging surgical treatment for select patients with obstructive sleep apnea (OSA). This study aims to compare outcomes in patients with moderate to severe OSA who underwent HNS surgery (Inspire Medical Systems) and those who underwent traditional airway reconstructive surgery, specifically uvulopalatopharyngoplasty (UPPP). METHODS: Patients who underwent HNS implantation (n = 20), all with moderate to severe OSA, inability to adhere to positive pressure therapy, and compliant with previously published inclusion criteria, were compared to a historical cohort that were intolerant of CPAP with similar inclusion criteria who all underwent UPPP (n = 20) with some also undergoing additional procedures such as septoplasty/turbinate reduction...
March 2, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29540223/tongue-fasciculations-with-denervation-pattern-in-osmotic-demyelination-syndrome-a-case-report-of-diagnostic-dilemma
#14
H M M T B Herath, S P Pahalagamage, Sunethra Senanayake
BACKGROUND: The pathogenesis of osmotic demyelination syndrome is not completely understood and usually occurs with severe and prolonged hyponatremia, particularly with rapid correction. It can occur even in normonatremic patients, especially who have risk factors like alcoholism, malnutrition and liver disease. Bilateral tongue fasciculations with denervation pattern in electromyogram is a manifestation of damage to the hypoglossal nucleus or hypoglossal nerves. Tongue fasciculations were reported rarely in some cases of osmotic demyelination syndrome, but the exact mechanism is not explained...
March 14, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29501517/intraoperative-hypoglossal-nerve-mapping-during-carotid-endarterectomy-technical-note
#15
Atsuhiro Kojima, Isako Saga, Mami Ishikawa
BACKGROUND: Hypoglossal nerve deficit is a possible complication caused by carotid endarterectomy (CEA). The accidental injury of the hypoglossal nerve during surgery is one of the major reasons for permanent hypoglossal nerve palsy. In this study, we investigated the usefulness of intraoperative mapping of the hypoglossal nerve to identify this nerve during CEA. METHODS: Five consecutive patients who underwent CEA for the treatment of symptomatic or asymptomatic carotid artery stenosis were studied...
February 28, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29480511/-occipital-condyle-syndrome-as-the-first-symptom-of-a-metastatic-hepatocellular-carcinoma-two-case-reports
#16
S Garcia-Madrona, I Corral-Corral
INTRODUCTION: Occipital condyle syndrome consists of the presence of unilateral occipital headache exacerbated by moving the head and is accompanied by paralysis of the ipsilateral hypoglossal nerve. One of its causes is infiltration of the base of the skull by bone metastases, especially those affecting the hypoglossal nerve due to infiltration as it passes through the osseous canal. CASE REPORTS: We report two clinical cases of occipital condyle syndrome secondary to metastatic hepatocarcinoma...
March 1, 2018: Revista de Neurologia
https://www.readbyqxmd.com/read/29456769/a-case-of-schwannoma-of-the-submandibular-region
#17
Babatunde O Bamgbose, Akiko Sato, Yoshinobu Yanagi, Miki Hisatomi, Yohei Takeshita, Irfan Sugianto, Junichi Asaumi
Background: We herein described a rare case of schwannoma of the hypoglossal nerve in the submandibular region with diagnostic imaging and histopathological findings. Case Report: A 31-years-old woman has had a palpable firm, rubbery, freely mobile mass in the submandibular region. Of imaging, MR images showed homogeneous isointensity on T1-weighted imaging (T1-WI), heterogeneous hypointensity on T2-WI, heterogeneous hyperintensity on short T1 inversion recovery (STIR), and heterogeneous enhancement on contrast-enhanced T1-WI...
2018: Open Dentistry Journal
https://www.readbyqxmd.com/read/29455904/hypoglossal-nerve-paralysis-in-a-child-after-a-dental-procedure
#18
Simona D Marino, Laura Schiavone, Flavia M C La Mendola, Tiziana Timpanaro, Maria Elena Cucuzza, Filippo Greco, Pierluigi Smilari, Agata Fiumara, Andrea Domenico Praticò
Unilateral palsy of the hypoglossal nerve is a rare complication of orthodontic procedures. The main reported causes of HNP are: orthopedic and otorhinolaryngology surgical interventions, and in particular maneuvers involving compression or overstretching of the hypoglossal nerve, dental procedures and traumas, and also infections, motoneuron disorders, tumors, vascular diseases. Diagnosis is usually performed by electrophysiology studies (EMG-VCN), and brain magnetic resonance imaging (MRI) is useful to exclude other causes...
February 6, 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29452877/the-split-hypoglossal-nerve-versus-the-cross-face-nerve-graft-to-supply-the-free-functional-muscle-transfer-for-facial-reanimation-a-comparative-study
#19
Tarek A Amer, Mohamed S El Kholy
Long-standing cases of facial paralysis are currently treated with free functional muscle transfer. Several nerves are mentioned in the literature to supply the free muscle transfer. The aim of this study is to compare the split hypoglossal nerve and the cross-face nerve graft to supply the free functional muscle transfer in facial reanimation. Of 94 patients with long-standing, unilateral facial palsy, 49 were treated using the latissimus dorsi muscle supplied by the split hypoglossal nerve, and 45 patients were treated using the latissmus dorsi muscle supplied by healthy contralateral buccal branch of the facial nerve...
January 31, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29452069/idiopathic-isolated-unilateral-hypoglossal-nerve-palsy-a-report-of-2-cases-and-review-of-the-literature
#20
Akio Shibata, Masashi Kimura, Kenichiro Ishiabashi, Masahiro Umemura
Hypoglossal nerve palsy (HNP) is a common finding in neurologic diseases when associated with other cranial nerve palsies or further pathology and exhibits characteristic clinical manifestations, including unilateral atrophy of the musculature of the tongue. It occasionally appears as the initial or solitary sign of an intracranial or extracranial space-occupying lesion, head or neck injury, or vascular abnormality of the internal carotid artery. There are few cases of idiopathic isolated unilateral HNP, which should be diagnosed through exclusion...
February 2, 2018: Journal of Oral and Maxillofacial Surgery
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